The second ionisation potential is

The second ionisation potentials in electron volts of oxygen and fluorine atoms are respectively given by

The second ionisation potentials in electron volts of oxygen and fluorine atoms are respectively given by

The second ionisation potentials in electron volts of oxygen and fluorine atoms are respectively given by

First ionisation potential for copper is higher than that for potassium. The second ionisation potential of copper is

The incorrect statement Among the following is A)The first ionisation potential of Al is less than the first ionisation potential of Mg. B)The first ionisation potential of Na is less than the first ionisation potential of Mg. C)The second ionisation potential of Mg greater than the second ionisation potential of Na D)The third ionisation potential of Mg greater than the third ionisation potential of Al

The correct order of the second ionisation potential of carbon, nitrogen, oxygen and fluorine is